2017 Corvette Z06: GM TechLink: Supercharger Idler Pulley Sounds

Supercharger Idler Pulley Sounds

March 29, 2017GM TechLink

A scraping or moaning sound may be heard from the supercharger idler pulley on some 2017 CTS-V, Corvette; and 2017-2018 Camaro models equipped with the supercharged 6.2L V8 engine (RPO LT4). The sound will be most noticeable when the engine is idling.